Disclaimer: All original characters are property of Stephenie Meyer! i only own my own ideas for this Twilight version, and Selene.

AN: Sorry i haven't updated his story in forever. I was stuck on my ideas and trying to make them make sense for other and not just me. So, here's te new chapter. I'll probably work a little faster on this one, now that i got this chapter out of the way. i hope so anyway.

ENJOY and please R&R!

Chapter Fifteen: Theory (Bella, Selene and POVs)

(Selene's POV)

"And that's how I joined the family," I said. I looked over at Bella and instantly shut up. Her face was in a state of shock. The chocolate brown of her irises were swimming with tears and absolute confusion. I was confused as well, but then I remembered everything I'd said. Crap! Edward's and my history alone would cause that expression. Immediately I felt terrible. It wasn't like she didn't have the right to know, but still…

"So, you two were going to get… married?" she asked shakily, "Do you still love each other?"

Edward opened his mouth to answer, but, in a movement too quick for Bella to see, I kicked him. Pain flashed across is face, but was gone in the same millisecond.

I'll tell her Edward. She would believe you, but first, she needs to hear this all out from me. He nodded and he put his arm around Bella.

"Yes Bella. I do still love him, but," I added hastily, "only as a brother now. When I was going through the change, any love that was more than brother/sister love broke away from me. He's your soul mate. Not mine."

She looked up, startled at my last words. Oops. I'd said too much again. But her face seemed to have softened after hearing what I'd said. Though she still looked a little confused and betrayed.

"Soul mates?" she asked. I nodded. "But you said that you two had been convinced of being meant…"

"Bella," I interjected, "that was then. If you would allow me to explain, I do have a theory about all of that."

Bella considered this for a couple of minutes. From the look on her face, she was trying to wrap her head around all of this. It was, truthfully, a lot to digest in just an hour. I did respect her for not completely flipping out on me. I, personally, would have felt insecure or threatened if I had just been told all of this. But Bella Swan was generally taking this fairly well.

After putting my thoughts in order, I finally went on with my theory.

"I believe in soul mates, obviously. But I also think that soul mates and vampirism go hand-in-hand. Therefore, destiny plays a huge part in this all as well. Vampires are those, in theory, that don't live in the time where their soul mate is." She still looked a little confused. That was okay, because I was just getting started with this. But I supposed that she needed a little convincing. So, I decided to throw in some examples for her benefit.

"Would some examples help with wrapping your head around all of this?"

Bella nodded. I sighed, trying to arrange my thought again in that time. I understood why she would falter in getting to like me. I was getting tiny glimpses of her mind again. She didn't know what to think about this. I would try my best, though; to get it across to her that Edward was all hers.

"Well… Carlisle was turned into a vampire way back in the early 14, 15 or 16 hundreds. This was, in theory, because Esme lived in the early 19 hundreds. She was turned because Carlisle was a vampire, they were soul mates, and she was dying.

"Jasper was alive during the Mexican/American war and was changed because Alice and him were meant to be and Alice wasn't born until a little over a century later. Then, Edward was changed back in 1918 because he's been…" I paused for a second and glanced at my brother. He wasn't looking at me. His focus was on Bella's face, gauging her reactions. Noticing I had stopped, he looked at me. Edward nodded and I continued.

"He's been waiting for you, Bella." I looked her right in the eyes as I said this. It was important for her to know that it was her that Edward was born to be with. Not me, not Rosalie; he was meant for her.

She looked right back. I could see the gears turning in her head. My glimpses of her mind were screaming "BELIEVE HER! IT'S TRUE!" but she still wasn't sure about everything I was saying.

"Bella. I swear to you that Selene and I are…ancient history. We both felt that bond break as we were transformed."

She shook her head and asked, "Wait! What bond? I get the belief in vampirism going hand-in-hand with soul mates, but…what bond between you two?"

Edward looked at me for help. I raised an eyebrow at him. He shifted his eyes from to Bella and back to me while shrugging.

What? No answer for your lady, wise guy? I asked sarcastically. His eyes hardened, but he smirked. Before I got into his head, he nodded to Bella, reminding me of the situation.

"Okay. So you know my theory behind the reasoning for vampirism. Now, what happens if destiny decides not to bring you to your true soul mate? Each vampire that has been turned was destined for somebody outside his or her time period. But, for that off chance that they aren't changed, we all have…well…how would you describe it, Edward?"

My brother shrugged, pulling Bella closer. He thought for a few seconds and then grinned. All of his teeth gleamed and he gave his thoughts.

"Backups. We all have backup soul mates. That's all Selene and I were to each other. Backups. She was waiting for Emmett and I've been waiting for you."

Bella nodded and held tighter to Edward. He kissed her hair and she swallowed. I got one last glimpse at her mind before it closed back up. She had accepted it. She was willing to let Edward's and my past go and let us all live in the present. I sighed in relief. This could have all been a lot harder, but Bella had accepted quite easily.

Bella looked at me and smiled. She pulled away from Edward and came to me. She opened her arms and I hugged her back.

"Thank you, Selene," She whispered. I smiled.

"No. Thank you, Bella."

(Bella's POV)

It was still a little weird think that Edward had been with Selene, but after their whole explanation, I was wiling to accept the past as the past. They were brother and sister now. Nothing more. I could live with that.

I stepped away from Edward and stepped towards his sister. I opened my arms and she returned the hug.

"Thank you Selene." I was thanking her for Edward, and for caring enough to help me understand the past. She shook her head.

"No. Thank you, Bella," she said; "It's been a long time since any of us have seen Edward truly happy. For that, I owe you the gratitude of our whole family. It means a lot to us to see my brother finally completed. His true other half has been found."

With that, she gave me another squeeze. Then I passed her to Edward. They hugged and then he wrapped an arm around my waist.

"Would you like to see my room?" I nodded.

Turning to say good-bye to Selene, I caught a glimpse of her auburn hair disappearing at human speed out the back door. The whole back of the house was a window. So, through the window, I saw her run up behind Emmett and tackle him from behind. She held on to his back wither arms around his neck. She kissed his neck and they both grinned widely as he pulled her around and wrapped her in a hug. I couldn't help but smile. That scene just strengthened the truth behind the whole story Edward and Selene had assured me with.

Edward kissed my hair again and began leading me through the house and up a flight of stairs.

We ended up on the third and top story of the Cullen house. His room was huge and very windowed. It was very open. I liked it.